/// <summary>
/// cache access method
/// </summary>
/// <returns></returns>
private ConcurrentDictionary <long, ConcurrentDictionary <string, dynamic> > VerifyConfigDataLoaded()
{
MemoryCache memoryCache = MemoryCache.Default;
return(memoryCache.AddOrGetExistingCacheEntry(nameof(ConfigurationManager) + nameof(VerifyConfigDataLoaded),
GenerateCurrentConfigSettings,
new CacheItemPolicy {
AbsoluteExpiration = DateTimeOffset.Now.AddHours(1)
}));
}